code: def forward(self, xs):
      x, a = xs
      out = self.fc11(x) + self.fc12(a)
      out = self.relu(out)
      out = self.fc2(out)
      out = self.relu(out)
      out = self.fc3(out)
      return out
  
imports: import numpy
  import torch
  import torch.nn
  from torch.optim import Adam
  from .memory import SequentialMemory
  from .utils import to_numpy, to_tensor
label_desc: Use image node_id 2 for calling the Critic obj's underlying member method code with example usage: obj.forward(xs) and returns: out